four resistors(10,20,20,30,) are connected in parallel combination.What will be resultant resistance?
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Answer:
total resultant resistance = 4.8 Ω
Explanation:
1/10 + 1/20 + 1/30 + 1/40
taking lcm,
12/120+ 6/120 + 4/120 + 3/120
= 25/120
5/24
Therefore resultant resistance = 24/5 Ω
= 4.8 Ω
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